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Finding the Fourth Proportional to 248,447.25, 372,670.88 and 61,458.75

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Solution

The fourth proportional to 248,447.25, 372,670.88 and 61,458.75 is: 92,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,447.25 : 372,670.88 = 61,458.75 : x
  2. Step 2: Convert to fraction form
    248,447.25/372,670.88 = 61,458.75/x
  3. Step 3: Cross multiply
    248,447.25x = 372,670.88 × 61,458.75
  4. Step 4: Simplify right side
    248,447.25x = 22,903,886,138.91
  5. Step 5: Solve for x
    x = 22,903,886,138.91/248,447.25
  6. Step 6: Final answer
    x = 92,188.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.